10 20 30 40 50 60 AGGACAGGCCGAGAGGC- CU -| C U C U ACUGCU UCCA CC GUCUG CCAGUGU UAGACUAC UGU C C GGGU GG CGGAU GGUUACA GUCUGAUG ACA G C CACCCAGCCGCACGCAGA CG U^ U C - U UUAGAA . 110 100 90 80 70